./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor700505163 <...> DUID 00:04:e6:bc:8e:bc:c3:7a:f3:fc:35:c5:a5:4f:9b:64:01:ce forked to background, child pid 4695 [ 48.333735][ T4696] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.346092][ T4696] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts. execve("./syz-executor700505163", ["./syz-executor700505163"], 0x7fff98f18ae0 /* 10 vars */) = 0 brk(NULL) = 0x5555557c9000 brk(0x5555557c9c40) = 0x5555557c9c40 arch_prctl(ARCH_SET_FS, 0x5555557c9300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor700505163", 4096) = 27 brk(0x5555557eac40) = 0x5555557eac40 brk(0x5555557eb000) = 0x5555557eb000 mprotect(0x7f3b334cc000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555557c95d0) = 5030 ./strace-static-x86_64: Process 5030 attached [pid 5030] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5030] setsid() = 1 [pid 5030] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5030] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5030] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5030] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5030] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5030] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5030] unshare(CLONE_NEWNS) = 0 [pid 5030] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5030] unshare(CLONE_NEWIPC) = 0 [pid 5030] unshare(CLONE_NEWCGROUP) = 0 [pid 5030] unshare(CLONE_NEWUTS) = 0 [pid 5030] unshare(CLONE_SYSVSEM) = 0 [pid 5030] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5030] write(3, "16777216", 8) = 8 [pid 5030] close(3) = 0 [pid 5030] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5030] write(3, "536870912", 9) = 9 [pid 5030] close(3) = 0 [pid 5030] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5030] write(3, "1024", 4) = 4 [pid 5030] close(3) = 0 [pid 5030] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5030] write(3, "8192", 4) = 4 [pid 5030] close(3) = 0 [pid 5030] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5030] write(3, "1024", 4) = 4 [pid 5030] close(3) = 0 [pid 5030] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5030] write(3, "1024", 4) = 4 [pid 5030] close(3) = 0 [pid 5030] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5030] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5030] close(3) = 0 [pid 5030] getpid() = 1 [pid 5030] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 e0 fb ff ff e8 02 39 90 fd 4c 8d ab a8 00 00 00 31 f6 4c [ 87.144829][ T5030] RSP: 0018:ffffc90003a2fa28 EFLAGS: 00010293 [ 87.150962][ T5030] RAX: 0000000000000000 RBX: ffff888148d3c500 RCX: 0000000000000000 [ 87.159048][ T5030] RDX: ffff888028db9dc0 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 87.167089][ T5030] RBP: ffff88801f64c000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 87.175104][ T5030] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148d3c538 [ 87.183177][ T5030] R13: ffffc90003a51000 R14: ffff88801f64c460 R15: ffff888148d3c500 [ 87.191238][ T5030] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 87.200267][ T5030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.206918][ T5030] CR2: 0000559f4967a100 CR3: 000000000c775000 CR4: 00000000003506f0 [ 87.214906][ T5030] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.222954][ T5030] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 87.230990][ T5030] Call Trace: [ 87.234277][ T5030] [ 87.237280][ T5030] ? __warn+0xe6/0x390 [ 87.241425][ T5030] ? blkdev_put+0x562/0x8a0 [ 87.246016][ T5030] ? report_bug+0x2da/0x500 [ 87.250600][ T5030] ? handle_bug+0x3c/0x70 [ 87.254956][ T5030] ? exc_invalid_op+0x18/0x50 [ 87.259730][ T5030] ? asm_exc_invalid_op+0x1a/0x20 [ 87.264814][ T5030] ? blkdev_put+0x562/0x8a0 [ 87.269417][ T5030] ? blkdev_put+0x562/0x8a0 [ 87.273984][ T5030] ? blkdev_put+0x562/0x8a0 [ 87.278616][ T5030] free_journal_ram+0x421/0x5c0 [ 87.283570][ T5030] journal_release+0x276/0x630 [ 87.288554][ T5030] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 87.295467][ T5030] ? do_raw_spin_unlock+0x175/0x230 [ 87.300727][ T5030] reiserfs_put_super+0xe4/0x5c0 [ 87.305779][ T5030] ? reiserfs_quota_read+0x4f0/0x4f0 [ 87.311140][ T5030] ? dispose_list+0x1e0/0x1e0 [ 87.315968][ T5030] ? fscrypt_destroy_keyring+0x1a/0x380 [ 87.321631][ T5030] ? reiserfs_quota_read+0x4f0/0x4f0 [ 87.327070][ T5030] generic_shutdown_super+0x158/0x480 [ 87.332508][ T5030] kill_block_super+0x64/0xb0 [ 87.337292][ T5030] deactivate_locked_super+0x98/0x160 [ 87.342800][ T5030] deactivate_super+0xb1/0xd0 [ 87.347567][ T5030] cleanup_mnt+0x2ae/0x3d0 [ 87.352038][ T5030] task_work_run+0x16f/0x270 [ 87.356743][ T5030] ? task_work_cancel+0x30/0x30 [ 87.361646][ T5030] ? __put_net+0x61/0x70 [ 87.366077][ T5030] do_exit+0xadc/0x2a30 [ 87.370294][ T5030] ? lock_downgrade+0x690/0x690 [ 87.375250][ T5030] ? do_raw_spin_lock+0x124/0x2b0 [ 87.380343][ T5030] ? mm_update_next_owner+0x7b0/0x7b0 [ 87.385832][ T5030] ? spin_bug+0x1c0/0x1c0 [ 87.390247][ T5030] ? _raw_spin_unlock_irq+0x23/0x50 [ 87.395652][ T5030] do_group_exit+0xd4/0x2a0 [ 87.400222][ T5030] __x64_sys_exit_group+0x3e/0x50 [ 87.405570][ T5030] do_syscall_64+0x39/0xb0 [ 87.410040][ T5030] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 87.416019][ T5030] RIP: 0033:0x7f3b3345b9c9 [ 87.420561][ T5030] Code: Unable to access opcode bytes at 0x7f3b3345b99f. [ 87.427853][ T5030] RSP: 002b:00007ffef5ad9878 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 87.436339][ T5030] RAX: ffffffffffffffda RBX: 00007f3b334d2330 RCX: 00007f3b3345b9c9 [ 87.444325][ T5030] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 87.452529][ T5030] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 87.460564][ T5030] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3b334d2330 [ 87.468613][ T5030] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 87.476659][ T5030] [ 87.479864][ T5030] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 87.487164][ T5030] CPU: 0 PID: 5030 Comm: syz-executor700 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 87.497179][ T5030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 87.507435][ T5030] Call Trace: [ 87.510815][ T5030] [ 87.513762][ T5030] dump_stack_lvl+0xd9/0x150 [ 87.518390][ T5030] panic+0x686/0x730 [ 87.522340][ T5030] ? panic_smp_self_stop+0xa0/0xa0 [ 87.527508][ T5030] ? show_trace_log_lvl+0x284/0x390 [ 87.532762][ T5030] ? blkdev_put+0x562/0x8a0 [ 87.537319][ T5030] check_panic_on_warn+0xb1/0xc0 [ 87.542306][ T5030] __warn+0xf2/0x390 [ 87.546250][ T5030] ? blkdev_put+0x562/0x8a0 [ 87.550795][ T5030] report_bug+0x2da/0x500 [ 87.555164][ T5030] handle_bug+0x3c/0x70 [ 87.559368][ T5030] exc_invalid_op+0x18/0x50 [ 87.563924][ T5030] asm_exc_invalid_op+0x1a/0x20 [ 87.568839][ T5030] RIP: 0010:blkdev_put+0x562/0x8a0 [ 87.573997][ T5030] Code: c0 74 08 3c 03 0f 8e 23 03 00 00 41 83 ac 24 f0 04 00 00 01 e9 2b fe ff ff e8 1a 39 90 fd 0f 0b e9 4b fc ff ff e8 0e 39 90 fd <0f> 0b e9 e0 fb ff ff e8 02 39 90 fd 4c 8d ab a8 00 00 00 31 f6 4c [ 87.593641][ T5030] RSP: 0018:ffffc90003a2fa28 EFLAGS: 00010293 [ 87.599740][ T5030] RAX: 0000000000000000 RBX: ffff888148d3c500 RCX: 0000000000000000 [ 87.607737][ T5030] RDX: ffff888028db9dc0 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 87.615745][ T5030] RBP: ffff88801f64c000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 87.623748][ T5030] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148d3c538 [ 87.631752][ T5030] R13: ffffc90003a51000 R14: ffff88801f64c460 R15: ffff888148d3c500 [ 87.639762][ T5030] ? blkdev_put+0x562/0x8a0 [ 87.644319][ T5030] ? blkdev_put+0x562/0x8a0 [ 87.648888][ T5030] free_journal_ram+0x421/0x5c0 [ 87.653777][ T5030] journal_release+0x276/0x630 [ 87.658576][ T5030] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 87.665291][ T5030] ? do_raw_spin_unlock+0x175/0x230 [ 87.670548][ T5030] reiserfs_put_super+0xe4/0x5c0 [ 87.675527][ T5030] ? reiserfs_quota_read+0x4f0/0x4f0 [ 87.680858][ T5030] ? dispose_list+0x1e0/0x1e0 [ 87.685580][ T5030] ? fscrypt_destroy_keyring+0x1a/0x380 [ 87.691160][ T5030] ? reiserfs_quota_read+0x4f0/0x4f0 [ 87.696487][ T5030] generic_shutdown_super+0x158/0x480 [ 87.701903][ T5030] kill_block_super+0x64/0xb0 [ 87.706620][ T5030] deactivate_locked_super+0x98/0x160 [ 87.712033][ T5030] deactivate_super+0xb1/0xd0 [ 87.716753][ T5030] cleanup_mnt+0x2ae/0x3d0 [ 87.721211][ T5030] task_work_run+0x16f/0x270 [ 87.725832][ T5030] ? task_work_cancel+0x30/0x30 [ 87.730714][ T5030] ? __put_net+0x61/0x70 [ 87.735002][ T5030] do_exit+0xadc/0x2a30 [ 87.739194][ T5030] ? lock_downgrade+0x690/0x690 [ 87.744098][ T5030] ? do_raw_spin_lock+0x124/0x2b0 [ 87.749171][ T5030] ? mm_update_next_owner+0x7b0/0x7b0 [ 87.754572][ T5030] ? spin_bug+0x1c0/0x1c0 [ 87.758944][ T5030] ? _raw_spin_unlock_irq+0x23/0x50 [ 87.764179][ T5030] do_group_exit+0xd4/0x2a0 [ 87.768713][ T5030] __x64_sys_exit_group+0x3e/0x50 [ 87.773766][ T5030] do_syscall_64+0x39/0xb0 [ 87.778302][ T5030] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 87.784234][ T5030] RIP: 0033:0x7f3b3345b9c9 [ 87.788680][ T5030] Code: Unable to access opcode bytes at 0x7f3b3345b99f. [ 87.795715][ T5030] RSP: 002b:00007ffef5ad9878 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 87.804160][ T5030] RAX: ffffffffffffffda RBX: 00007f3b334d2330 RCX: 00007f3b3345b9c9 [ 87.812245][ T5030] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 87.820245][ T5030] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 87.828244][ T5030] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3b334d2330 [ 87.836268][ T5030] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 87.844279][ T5030] [ 87.847603][ T5030] Kernel Offset: disabled [ 87.852051][ T5030] Rebooting in 86400 seconds..